package homework;

/**
 * @Author: fanbo
 * @Date: 2021/1/25 5:31 上午
 */
public class Engine {
    private Host host;


    public Host getHost() {
        return host;
    }

    public void setHost(Host host) {
        this.host = host;
    }

    public Engine(Host host) {
        this.host = host;
    }
}
